👉 Substitute engineering is an innovative approach in materials science and engineering that involves replacing traditional materials with alternative substances to achieve desired properties or enhance performance. This method leverages the unique characteristics of new materials, such as advanced composites, nanomaterials, or biomimetic structures, to improve strength, durability, weight reduction, thermal resistance, or other critical attributes of a product. By strategically substituting components, engineers can create more efficient, sustainable, and cost-effective solutions while maintaining or even surpassing the functionality of conventional materials. This technique is particularly valuable in industries like aerospace, automotive, and biomedical engineering, where pushing performance boundaries is essential.